Liquid container system
US-2024280096-A1 · Aug 22, 2024 · US
Mechanical Engineering
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B45/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 14 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumping cassette
US-2024066197-A1 · Feb 29, 2024 · US
Vacuum treatment apparatus
US-10590538-B2 · Mar 17, 2020 · US
Automated control mechanisms in a hemodialysis apparatus
US-10537671-B2 · Jan 21, 2020 · US
Sensor for contactless electrocardiographic measurement
US-10495669-B2 · Dec 3, 2019 · US
Bellows anti-rotation construction
US-10443594-B2 · Oct 15, 2019 · US
Systems for compressing low pressure gaseous co2
US-2019282926-A1 · Sep 19, 2019 · US
Pumping cassette
US-10415559-B2 · Sep 17, 2019 · US
Hot beverage maker with cleaning apparatus and related method
US-10398257-B2 · Sep 3, 2019 · US
Bellows installation and retention method
US-10344751-B2 · Jul 9, 2019 · US
Pumping cassette
US-2019186483-A1 · Jun 20, 2019 · US
Bellows pump device
US-10309391-B2 · Jun 4, 2019 · US
Vacuum treatment apparatus
US-2019093223-A1 · Mar 28, 2019 · US
Straight line gore, method for making the same and assemblies including the same
US-2019077494-A1 · Mar 14, 2019 · US
Pump piston
US-2019063428-A1 · Feb 28, 2019 · US
Cassette system integrated apparatus
US-2018372084-A1 · Dec 27, 2018 · US
Straight line gore, method for making the same and assemblies including the same
US-10144496-B2 · Dec 4, 2018 · US
Vacuum treatment apparatus
US-10138553-B2 · Nov 27, 2018 · US
Pumping cassette
US-10077766-B2 · Sep 18, 2018 · US
Cassette system integrated apparatus
US-9951768-B2 · Apr 24, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B45/02?
- CPC F04B45/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04B45/02 (Mechanical Engineering)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC F04B45/02 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).